The team at protocol is very helpful, they have helped us so far in several projects that we are working now! They always deliver what you ask for - no matter how big or small your project might be :) I don't think there's anything i dislike about this platform as of yet but if something comes up then let me know because my colleagues will definitely want more details around it! We use their services mainly within our product management department (marketing automation) where one person has been assigned solely towards managing all marketing campaigns across multiple platforms such ad Facebook Ads & Google AdWords etc..